org.dataone.service.types.v1.comparators

Class GroupNameComparator

java.lang.Object

org.dataone.service.types.v1.comparators.GroupNameComparator

All Implemented Interfaces:

Comparator<Group>

public class GroupNameComparator
extends Object
implements Comparator<Group>

A comparator for comparing the Group objects base on the GroupName property (String) Note: this comparator imposes orderings that are inconsistent with equals.

Author:

tao

Constructor Summary

Constructors

Constructor and Description
GroupNameComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(Group group1, Group group2) Compares order based on the String groupName of two Group objects.
boolean	equals(Object obj) Indicates whether some other object is "equal to" this comparator.

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

GroupNameComparator

public GroupNameComparator()

Method Detail

compare

public int compare(Group group1,
                   Group group2)
            throws ClassCastException,
                   NullPointerException

Compares order based on the String groupName of two Group objects. Note: this comparator imposes orderings that are inconsistent with equals.

Specified by:

compare in interface Comparator<Group>

Parameters:

o1 -

o2 -

Returns:

int

Throws:

ClassCastException

NullPointerException

equals

public boolean equals(Object obj)

Indicates whether some other object is "equal to" this comparator.

Specified by:

equals in interface Comparator<Group>

Overrides:

equals in class Object

Parameters:

obj -

Returns:

true if they are some class.

Throws:

ClassCastException